Leaves
opposite, shortly petioled or subsessile, obovate, oblong-elliptic or elliptic, often abruptly acuminate; axillary glands 0; stipules 0
Inflorescence
terminal or axillary, consisting of a panicle of few-many-flowered, contracted cymes
Flowers
relatively small, inconspicuous, often greenish
Calyx
small, divided almost to base, eglandular within or rarely with 5 minute glands; sepals 5, imbricate, oblong-lanceolate to ovate-oblong
Corolla
salver-shaped; tube short, widest in middle, hairy without and within, with 5 ligulate scales in mouth, alternating with lobes; lobes spreading or reflexed, ± as long as tube, linear to linear-oblong, overlapping to the right
Stamens
5, inserted above base of corolla tube; anthers 4-locular, sessile, conniving in a cone, sublinear, apiculate, shortly sagittate with foot of connective produced into a linear appendage which lies in a channel in the anther, with a cushion of hairs at base, polliniferous in upper part only
Disc
cupular, 5-lobed or 5-partite
Ovary
of 2 free carpels, shortly exserted and free from disc; style very short; stigma shortly spindle-shaped with 2-lobed apiculus
Mericarps
2, follicular, cylindric and slender to spindle-shaped
Seeds
lanceolate, linear or oblong with apical tuft of hairs
x = 11 (1 report)
Nomenclature:
Oncinotis
Benth.
Bentham: 451 (1849)
Stapf: 512 (1907)
Codd: 288 (1963)
Kupicha: 492 (1985)
Distribution & Notes:
Global
: Species 7, Africa and Madagascar
Southern Africa
: Species 1:
Oncinotis tenuiloba
Stapf (=
O. inandensis
J.M.Wood & M.S.Evans), KwaZulu-Natal and Eastern Cape border
References:
BENTHAM, G. 1849.
Oncinotus
. In W.J. Hooker,
Niger Flora
. H. Baillière, London
CODD, L.E. 1963.
Apocynaceae
.
Flora of southern Africa
26
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